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Closure and Impairment Charges | 9 Months Ended
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Sep. 30, 2024
Restructuring Charges [Abstract] |
Closure and Impairment Charges | Closure and Impairment Charges Closure and impairment charges for the three and nine months ended September 30, 2024 and 2023 were as follows:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2024 |  | 2023 |  | 2024 |  | 2023
|  | (In millions)
Closure charges |  | $ | 0.4 |  |  | $ | 0.3 |  |  | $ | 1.4 |  |  | $ | 1.1 |
Long-lived tangible asset impairment |  | — |  |  | 1.5 |  |  | — |  |  | 2.0 |
Total closure and impairment charges |  | $ | 0.4 |  |  | $ | 1.8 |  |  | $ | 1.4 |  |  | $ | 3.1 |
The closure charges for the three and nine months ended September 30, 2024 were related to the establishment of or revisions to existing closure reserves, including accretion, primarily for 21 IHOP restaurants closed prior to December 31, 2023. The closure charges for the three and nine months ended September 30, 2023 were related to revisions to existing closure reserves, including accretion, for approximately 30 IHOP restaurants. The long-lived asset impairment for the three months ended September 30, 2023 related to the impairment of four IHOP master land and building leases. The long-lived asset impairment for the nine months ended September 30, 2023 primarily related to technology that was developed in connection with the IHOP Flip'd initiative that was stopped, and the impairment of four IHOP master land and building leases in the third quarter of 2023.

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- Definition Description of impairment of long-lived assets, goodwill impairment as well as closure charges. This element may be used as a single block of text to encapsulate the entire disclosure including data and tables. + References No definition available. + Details
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Namespace Prefix: | din_
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_RestructuringChargesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration